CN114087125A - Locking device for electric moving blade of wind driven generator - Google Patents
Locking device for electric moving blade of wind driven generator Download PDFInfo
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- CN114087125A CN114087125A CN202010854699.3A CN202010854699A CN114087125A CN 114087125 A CN114087125 A CN 114087125A CN 202010854699 A CN202010854699 A CN 202010854699A CN 114087125 A CN114087125 A CN 114087125A
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- blade
- push rod
- locking
- electric
- locking device
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- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 239000013307 optical fiber Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000009194 climbing Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
- H04B10/275—Ring-type networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/328—Blade pitch angle
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/009—Topology aspects
- H04Q2011/0092—Ring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a locking device for an electric moving blade of a wind driven generator, which comprises a mechanical fitting and an electric system electrically connected with the mechanical fitting, wherein the mechanical fitting consists of an electric push rod, a blade locking pin, a locking stop block, a locking pin sleeve, a fixed bottom plate, a threaded push rod and a push rod bracket; the electrical system consists of a blade lock controller, a blade lock control cabinet, an engine room switch, a tower-based switch, a central control server and a remote monitoring module; the device utilizes the fabrication hole on the hub to directly install the blade locking device on the hub body, does not damage the structure of the hub body, optimizes the overall layout, has simple structure and convenient operation, and develops automatic blade locking and remote control blade locking to reduce the maintenance workload under the working condition of typhoon on the basis of ensuring safety, thereby reducing the workload of manual tower climbing operation; meanwhile, the maintenance operation time is shortened, the generating time of the unit is prolonged, and the generating capacity is increased.
Description
Technical Field
The invention relates to the technical field of wind driven generators, in particular to a locking device for a moving blade of a wind driven generator.
Background
Wind power plants in coastal areas of southeast China can be attacked by typhoons for several times every year, and wind generating sets must have typhoon resistance. When the typhoon comes, the wind generating set needs to bear huge external load, and the blades must be reliably positioned in a feathering state, so that the load of the set is reduced to the maximum extent, and the safety of the set is ensured.
At present, a manual blade locking device is arranged on an anti-typhoon unit, but when the manual blade locking device is used, a wind generating set needs to be gradually climbed before typhoon comes, the wind generating set enters a hub, manual operation is carried out for locking, and the manual blade locking device is troublesome and labor-consuming and has large workload.
Disclosure of Invention
The invention aims to provide a locking device for a movable blade of a wind driven generator, which is designed to lock the movable blade on the basis of ensuring safety and in order to reduce the maintenance workload under the working condition of typhoon, can remotely control the blade to lock and reduce the workload of manual tower climbing operation; meanwhile, the maintenance operation time is shortened, the generating time of the unit is prolonged, and the generating capacity is increased, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a locking device for an electric moving blade of a wind driven generator comprises a mechanical fitting and an electric system electrically connected with the mechanical fitting, wherein the mechanical fitting is composed of an electric push rod, a blade locking pin, a locking stop block, a locking pin sleeve, a fixed bottom plate, a threaded push rod and a push rod bracket; the locking stop block is fixed with the variable-pitch bearing by bolts and screws, the locking pin sleeve is fixedly welded on the push rod support, the locking pin sleeve and the push rod support are connected with the fixed bottom plate through the bolts, and the fixed bottom plate is fixed on the hub through the bolts; the electric push rod is arranged in the push rod bracket, and two ends of the electric push rod are respectively connected with the threaded push rod and the blade locking pin through pin shafts;
the electrical system consists of a blade lock controller, a blade lock control cabinet, an engine room switch, a tower-based switch, a central control server and a remote monitoring module; the blade lock control cabinet is electrically connected with the electric push rod, the signal output end of the blade lock control cabinet is electrically connected with the blade lock controller through a sliding ring, the blade lock controller is arranged in the cabin and is in signal connection with a tower footing switch in the tower footing through a cabin switch and looped network optical fibers; and the tower footing switch is in communication connection with the central control server through the ring network switch and the ring network optical fiber.
Preferably, the blade locking pin and the locking stop adopt a conical surface fit.
Preferably, the blade lock controller and the blade lock control cabinet are controlled by PLC programming.
Preferably, the mechanical accessory is in communication connection with the electrical system through a remote monitoring module.
Preferably, the electric push rod is provided with a position sensor and is in signal connection with the blade lock control cabinet.
Preferably, the push rod bracket is connected with the fixed bottom plate through bolts.
Compared with the prior art, the invention has the following beneficial effects:
1. the locking device for the electric moving blade of the wind driven generator utilizes an optical fiber ring network of a wind power plant, and realizes the control and observation of the blade lock of each unit of the wind power plant through centralized monitoring software in a central control room.
2. According to the electric moving blade locking device for the wind driven generator, an independent electric cabinet is additionally arranged in a hub and used for controlling the moving blade locking device.
3. According to the electric blade locking device for the wind driven generator, a wind driven generator electric blade locking structure is respectively arranged at the root of each blade in a hub, and a locking command is independently executed. Become oar bearing blade root position and increase solitary locking dog, fix with the blade root bolt for automatics's locking: the automatic locking device can only lock at the feathering position, and the locking pins can not lock the blades even if being abnormally extended at other positions, so that the risk caused by misoperation of the electric push rod due to lightning is reduced.
4. According to the electric blade locking device for the wind driven generator, the automatic blade locking device is added with a manual locking function, and when the electric device fails, the blades can be manually locked.
5. According to the locking device for the electric moving blade of the wind driven generator, the technical hole in the hub is utilized to directly install the blade locking device on the hub body, the structure of the hub is not damaged, the overall layout is optimized, the structure is simple, and the operation is convenient. And under the extreme condition that the actual wind speed exceeds the design range, the main control system supplies power and controls the electric push rod to realize the remote automatic locking of the blade.
6. On the basis of ensuring safety, the locking device for the electric moving blade of the wind driven generator is developed for automatically locking the moving blade and remotely controlling the blade to lock the blade so as to reduce the workload of manual tower climbing operation in order to reduce the maintenance workload under the working condition of typhoon; meanwhile, the maintenance operation time is shortened, the generating time of the unit is prolonged, and the generating capacity is increased.
Drawings
FIG. 1 is a schematic view of the overall structure of the mechanical accessory of the present invention;
FIG. 2 is a front view of FIG. 1 of the present invention;
FIG. 3 is a side view of FIG. 1 of the present invention;
FIG. 4 is a top view of FIG. 1 in accordance with the present invention;
FIG. 5 is a block diagram of an electrical system module of the present invention;
fig. 6 is an overall framework block diagram of the present invention.
In the figure: 1. a mechanical fitting; 101. a threaded push rod; 102. a push rod bracket; 103. an electric push rod; 104. a blade locking pin; 105. fixing the bottom plate; 106. locking the stop block; 107. a locking pin sleeve; 2. an electrical system; 201. a blade lock controller; 202. a blade lock control cabinet; 203. a cabin switch; 204. a central control server; 205. a remote monitoring module; 206. a slip ring; 207. a looped network optical fiber; 208. a column-based switch; 209. a ring network switch; 3. a hub; 4. a nacelle; 5. and (4) a tower footing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a locking device for a moving blade of a wind turbine comprises a mechanical fitting 1 and an electrical system 2 electrically connected with the mechanical fitting 1, wherein the mechanical fitting 1 is composed of an electric push rod 103, a blade locking pin 104, a locking stopper 106, a locking pin sleeve 107, a fixed bottom plate 105, a threaded push rod 101 and a push rod support 102; the locking stop block 106 is fixed with the variable pitch bearing by bolts and screws, the locking pin sleeve 107 is fixedly welded on the push rod support 102, the locking pin sleeve 107 and the push rod support 102 are connected with the fixed bottom plate 105 through bolts, the fixed bottom plate 105 is fixed on the hub 3 through bolts, and the blade locking pin 104 can extend up and down in a pin hole of the locking pin sleeve 107; the electric push rod 103 is arranged in the push rod bracket 102, and two ends of the electric push rod 103 are respectively connected with the threaded push rod 101 and the blade locking pin 104 through pin shafts.
Referring to fig. 5-6, the electrical system 2 is composed of a blade lock controller 201, a blade lock control cabinet 202, a nacelle switch 203, a tower base switch 208, a central control server 204 and a remote monitoring module 205; the blade lock control cabinet 202 is electrically connected with the electric push rod 103, the signal output end of the blade lock control cabinet 202 is electrically connected with the blade lock controller 201 through a sliding ring 206, the blade lock controller 201 is arranged in the nacelle 4 and is in signal connection with a tower footing switch 208 in the tower footing 5 through a nacelle switch 203 and a looped network optical fiber 207; the tower-based switch 208 is communicatively connected to the central control server 204 through a ring network switch 209 and a ring network fiber 207.
In the above embodiment, the blade locking pin 104 is extended and retracted in the pin hole of the locking pin sleeve 107, and locking and unlocking are achieved by being caught in the pin hole of the locking stopper 106.
In the above embodiment, the blade locking pin 104 and the locking stopper 106 are in a tapered fit, which can self-lock and reduce the retraction force.
In the above embodiment, the blade can be locked manually by loosening the nut on the threaded push rod 101 to drive the threaded push rod 101, and can be locked electrically by pushing the electric push rod 103 and the blade locking pin 104 to move integrally through electric control.
In the above embodiment, the blade lock controller 201 and the blade lock control cabinet 202 are both controlled by PLC programming, and pitch control is realized by power supply and signal control of the blade lock controller 201 and the blade lock control cabinet 202.
In the above embodiment, the mechanical accessory 1 and the electrical system 2 are connected in communication through the remote monitoring module 205, and the remote monitoring module 205 may be a monitoring camera or corresponding monitoring software.
In the above embodiment, the electric push rod 103 is driven by a light electric rod, a 24V power supply voltage and a 1.6A current are applied, the electric push rod acts when being powered on, the power is off and stops when the electric push rod is in place, the electric push rod can be self-locked, and the electric push rod 103 is provided with a position sensor to establish signal connection with the blade lock control cabinet 202.
In the above embodiment, the push rod bracket 102 is connected with the fixed base plate 105 by bolts, which facilitates maintenance.
The working principle is as follows: when the actual wind speed exceeds the extreme condition (ultra-strong typhoon) of the design range, the locking device of the electric moving blade of the wind driven generator immediately enters into a typhoon-resistant mode, the central control server 204 uses a looped network optical fiber 207, a switch and a blade lock controller 201 to give a signal to the electric push rod 103 through the remote monitoring module 205, and the blade locking pin 104 penetrates into the locking stop block 106 to prevent the blade from rotating, thereby playing the role of locking the blade; after the typhoon, the fan withdraws from the anti-typhoon model, at the moment, the electric push rod 103 receives a signal of the central control server 204, the blade locking pin 104 withdraws from the locking stop block 106, and the fan enters a normal operation state.
In order to better explain the invention, the locking device for the electric moving blade of the wind turbine is firstly used on 101 1.5MW and 2MW wind turbines of Guangdong Zhanjiang wind power generation Co., Ltd, Guangdong, and the electric Zhanjiang wind power generation Co., Ltd, and after strict tests, when typhoon comes or moves back, each wind turbine can instantly receive signals, and the blade locking pin 104 can be accurately pushed into or withdrawn from the locking stop block 106, so that the effect of locking or unlocking the blade is achieved, the typhoon prevention effect is achieved, and meanwhile, when the fault of a variable pitch motor and the maintenance and replacement of a variable pitch gear box occur to the wind turbine, the wind turbine blade is mechanically locked, the rotation of the wind turbine blade is prevented, and the safety of the maintenance work of the wind turbine is ensured.
In summary, the following steps: according to the locking device for the electric blades of the wind driven generator, the looped network optical fiber 207 of the wind power plant is utilized, and the blade locks of all units of the wind power plant are controlled and observed through the remote monitoring module 205 in the central control server 204; by adding a separate blade lock control cabinet 202 inside the hub 3 for the control of the automatic blade locking device; each blade root in the hub 3 is respectively provided with a wind generating set electric blade locking structure to independently execute a locking command, and the blade root position of the variable pitch bearing is additionally provided with an independent locking stop block 106 which is fixed by a blade root bolt and used for locking an automatic device: the automatic locking device can only lock at the feathering position, and the locking pin can not lock the blade even if the locking pin is abnormally extended at other positions, so that the risk caused by misoperation of the electric push rod 103 due to lightning is reduced; secondly, the automatic blade locking device is added with a manual locking function, and when the electric device fails, the blades can be manually locked; utilize the fabrication hole on wheel hub 3 with blade locking device direct mount on wheel hub 3 body, do not destroy the structure of wheel hub 3 itself, optimized overall arrangement, simple structure, convenient operation, under the extreme condition (superstrong typhoon) that actual wind speed surpassed the design range, main control system supplied power and controlled electric putter, realized the long-range automatic locking of blade.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a wind turbine moving blade locking device, includes mechanical fitting (1) and with the automatically controlled electrical system (2) of being connected of mechanical fitting (1), its characterized in that: the mechanical accessory (1) consists of an electric push rod (103), a blade locking pin (104), a locking stop block (106), a locking pin sleeve (107), a fixed bottom plate (105), a threaded push rod (101) and a push rod support (102); the locking stop block (106) is fixed with the variable pitch bearing by bolts and screws, a locking pin sleeve (107) is fixedly welded on the push rod support (102), the locking pin sleeve (107) and the push rod support (102) are connected with a fixed bottom plate (105) through the bolts, and the fixed bottom plate (105) is fixed on the hub (3) through the bolts; the electric push rod (103) is arranged in the push rod bracket (102), and two ends of the electric push rod (103) are respectively connected with the threaded push rod (101) and the blade locking pin (104) through pin shafts;
the electrical system (2) consists of a blade lock controller (201), a blade lock control cabinet (202), an engine room switch (203), a tower-based switch (208), a central control server (204) and a remote monitoring module (205); the blade lock control cabinet (202) is electrically connected with the electric push rod (103), the signal output end of the blade lock control cabinet (202) is electrically connected with the blade lock controller (201) through a sliding ring (206), the blade lock controller (201) is arranged in the cabin (4), and is in signal connection with a tower foundation switch (208) in the tower foundation (5) through a cabin switch (203) and a looped network optical fiber (207); the tower footing switch (208) is in communication connection with the central control server (204) through a ring network switch (209) and a ring network optical fiber (207).
2. The locking device for the electric moving blade of the wind generator as claimed in claim 1, wherein: the blade locking pin (104) and the locking stop block (106) adopt conical surface matching.
3. The locking device for the electric moving blade of the wind generator as claimed in claim 1, wherein: the blade lock controller (201) and the blade lock control cabinet (202) are controlled by PLC programming.
4. The locking device for the electric moving blade of the wind generator as claimed in claim 1, wherein: the mechanical accessory (1) is in communication connection with the electrical system (2) through a remote monitoring module (205).
5. The locking device for the electric moving blade of the wind generator as claimed in claim 1, wherein: the electric push rod (103) is provided with a position sensor and is in signal connection with the blade lock control cabinet (202).
6. The locking device for the electric moving blade of the wind generator as claimed in claim 1, wherein: the push rod bracket (102) is connected with the fixed bottom plate (105) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010854699.3A CN114087125A (en) | 2020-08-24 | 2020-08-24 | Locking device for electric moving blade of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010854699.3A CN114087125A (en) | 2020-08-24 | 2020-08-24 | Locking device for electric moving blade of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114087125A true CN114087125A (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010854699.3A Pending CN114087125A (en) | 2020-08-24 | 2020-08-24 | Locking device for electric moving blade of wind driven generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN114087125A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110204631A1 (en) * | 2010-02-18 | 2011-08-25 | Mitsubishi Heavy Industries, Ltd., | Handy terminal for wind turbine generator |
| WO2014032826A1 (en) * | 2012-09-03 | 2014-03-06 | Wobben Properties Gmbh | Method and control device for a wind turbine, and computer program product, digital storage medium and wind turbine |
| CN205260225U (en) * | 2015-12-29 | 2016-05-25 | 华电郑州机械设计研究院有限公司 | Long -range central monitoring system of health condition is synthesized to fan |
| US20190048851A1 (en) * | 2017-08-14 | 2019-02-14 | General Electric Company | Method for controlling a wind turbine with access hatch interlocks, and associated wind turbine |
| CN109441736A (en) * | 2018-12-29 | 2019-03-08 | 北京金风科创风电设备有限公司 | Blade locking device, wind generating set and control method of variable pitch motor |
| CN209781129U (en) * | 2019-01-30 | 2019-12-13 | 明阳智慧能源集团股份公司 | Automatic blade locking device for wind generating set to be locked along radial direction of blade root |
| CN210859063U (en) * | 2019-09-18 | 2020-06-26 | 内蒙古沐风电力科技有限公司 | Impeller locking device of wind generating set |
| CN210889197U (en) * | 2019-08-30 | 2020-06-30 | 明阳智慧能源集团股份公司 | Anti-typhoon remote automatic blade locking system of wind generating set |
| CN210919334U (en) * | 2019-09-24 | 2020-07-03 | 明阳智慧能源集团股份公司 | Automatic blade locking device capable of being locked along axial direction of blade root of wind generating set |
| CN212360011U (en) * | 2020-08-24 | 2021-01-15 | 保定市昊昌电力科技有限公司 | Locking device for electric moving blade of wind driven generator |
-
2020
- 2020-08-24 CN CN202010854699.3A patent/CN114087125A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110204631A1 (en) * | 2010-02-18 | 2011-08-25 | Mitsubishi Heavy Industries, Ltd., | Handy terminal for wind turbine generator |
| WO2014032826A1 (en) * | 2012-09-03 | 2014-03-06 | Wobben Properties Gmbh | Method and control device for a wind turbine, and computer program product, digital storage medium and wind turbine |
| CN205260225U (en) * | 2015-12-29 | 2016-05-25 | 华电郑州机械设计研究院有限公司 | Long -range central monitoring system of health condition is synthesized to fan |
| US20190048851A1 (en) * | 2017-08-14 | 2019-02-14 | General Electric Company | Method for controlling a wind turbine with access hatch interlocks, and associated wind turbine |
| CN109441736A (en) * | 2018-12-29 | 2019-03-08 | 北京金风科创风电设备有限公司 | Blade locking device, wind generating set and control method of variable pitch motor |
| CN209781129U (en) * | 2019-01-30 | 2019-12-13 | 明阳智慧能源集团股份公司 | Automatic blade locking device for wind generating set to be locked along radial direction of blade root |
| CN210889197U (en) * | 2019-08-30 | 2020-06-30 | 明阳智慧能源集团股份公司 | Anti-typhoon remote automatic blade locking system of wind generating set |
| CN210859063U (en) * | 2019-09-18 | 2020-06-26 | 内蒙古沐风电力科技有限公司 | Impeller locking device of wind generating set |
| CN210919334U (en) * | 2019-09-24 | 2020-07-03 | 明阳智慧能源集团股份公司 | Automatic blade locking device capable of being locked along axial direction of blade root of wind generating set |
| CN212360011U (en) * | 2020-08-24 | 2021-01-15 | 保定市昊昌电力科技有限公司 | Locking device for electric moving blade of wind driven generator |
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